James Hirschfeld, CEO, left, and Alexa Hirschfeld, President, pose in the Paperless Post office in New York in January 2012.

Paperless Post, a startup founded by two 20-something siblings in 2009, plans to move to Lower Manhattan and add 76 new jobs, making it one of the larger startups to relocate to the area that the city and landlords are trying to make more enticing to growing companies.

The company has leased 12,500 square feet at 115 Broadway, one of two landmark buildings known as the Trinity Center. Paperless Post is currently located in a 7,000 square foot facility on West 25th Street in Chelsea, and in four years has already outgrown three offices.

“As a tech company we grow faster than other companies—every year double in size and it’s important for us that we be in an area that has room to accommodate that growth. Lower Manhattan has more room than any other place in Manhattan that we would want to be,” said Paperless Post co-founder Alexa Hirschfeld in a statement.

The city and state devoted significant resources to the move, giving Paperless Post $455,000 as part of a program for companies that relocate to Lower Manhattan and create at least 75 new jobs. In March, Paperless Post was also selected as one of the winners of the city Economic Development Corp.’s competition to provide $250,000 to creative and technology companies that relocate to the area.

“Today’s most innovative startups are putting Lower Manhattan on the map as a vibrant place to headquarter a 21st Century company,” said Kyle Kimball, the Economic Development Corp.’s executive director.